Sand shark
http://www.neaq.org/multimedia/flash/animal_videos/sand_tiger_sharks_just_video.php
Shark week- might be too much for grade 2, but there are lots of movies. Please preview.
Http://dsc.discovery.com/tv-shows/shark-week
Sometimes National Geo does not load. Try to minimize others and it might be right there.
http://kids.nationalgeographic.com/kids/animals/creaturefeature/sand-tiger-shark/
http://kids.nationalgeographic.com/kids/animals/creaturefeature/bull-shark/